Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.3 Solve Linear Equations - 1.3 Exercises - Skill Practice - Page 21: 17



Work Step by Step

Multiplying both sides by 3 gives $21-5*c=66$ Then subtract 21 from both sides, $-5*c=45$ Then divide both sides by -5, to get $c-=-9$ Checking gives: $7-5/3*-9=22$ or $7+15=22$
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